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    • 3. 发明公开
    • 피라졸로[1,5-α]피리미딘계 화합물을 유효성분으로함유하는 항암 보조제
    • 含有吡唑并[1,5-α]吡啶类化合物的抗癌剂补充剂
    • KR1020070096241A
    • 2007-10-02
    • KR1020060025753
    • 2006-03-21
    • 경희대학교 산학협력단
    • 하주헌김학수황진택
    • A61K31/519A61P35/00
    • A61K31/519
    • An anticancer supplement agent containing pyrazolo[1,5-alpha]pyrimidine-based compounds is provided to inhibit activity of AMPK(Adenosine Mono-Phosphate-activated protein Kinase) and increase activity of p53, so that the anticancer effects of conventional anticancer agents are increased and anticancer agent-resistant cancers are treated. An anticancer supplement agent contains pyrazolo[1,5-alpha]pyrimidine class compounds represented by the formula(I) and promotes anticancer effects of conventional anticancer agents, wherein the conventional anticancer agents include cisplatin, doxorubicin and etoposide; and the cancer is testicular cancer, ovarian cancer, lung cancer, head and neck cancer, bladder cancer, stomach cancer, cervical cancer or breast cancer.
    • 提供含有吡唑并[1,5-α]嘧啶类化合物的抗癌补充剂,以抑制AMPK(单磷酸腺苷激活蛋白激酶)的活性并增加p53的活性,使得常规抗癌剂的抗癌作用为 增加抗癌剂抗癌药物。 抗癌剂包含由式(I)表示的吡唑并[1,5-a]嘧啶类化合物,并且促进常规抗癌剂的抗癌作用,其中常规抗癌剂包括顺铂,多柔比星和依托泊苷; 癌症是睾丸癌,卵巢癌,肺癌,头颈癌,膀胱癌,胃癌,子宫颈癌或乳腺癌。
    • 8. 发明公开
    • 6-[4-(2-피페리딘-1-일-에톡시)-페닐]-3-피리딘-4-일-피라졸로[1,5-a]피리미딘의 제조방법
    • 制备6- [4-(2-哌啶-1-基 - 乙氧基) - 苯基] -3-吡啶-4-基] - 吡咯并[1,5-a]吡嗪的方法
    • KR1020070065653A
    • 2007-06-25
    • KR1020050126303
    • 2005-12-20
    • 에스케이케미칼주식회사
    • 이준원이석호김남호이남규하주헌
    • C07D487/04
    • Provided is a method for preparing 6-[4-(2-piperidine-1-yl-ethoxy)-phenyl]-3-pyridine-4-yl-pyrazolo[1,5-a]pyrimidine with high purity and high yield by using a start material and a reacting materials capable of being commercially used and applying optimal reacting condition. The method comprises the steps of: (a) reacting pyridine-4-yl-acetonitrile hydrogen chloride represented by the formula(2) with N,N-dimethylformamide dimethylacetal(DMFDMA) in the presence of an amine base such as triethylamine, pyridine and piperidine and an aromatic hydrocarbon solvent to prepare 3-dimethylamino-2-pyridine-4-yl-acrylonitrile represented by the formula(3); (b) reacting the compound of the formula(3) with hydrazine monohydrate in the presence of an acetic acid catalyst and an alcohol solvent to prepare 4-pyridyl-2H-pyrazol-3-ylamine represented by the formula(4); (c) reacting the compound of the formula(4) with 2-(4-methoxyphenyl)malondialdehyde represented by the formula(5) in the presence of an acetic acid catalyst and an alcohol solvent to prepare 6-(4-methoxy-phenyl)-3-pyridine-4-yl-pyrazolo[1,5-a]pyrimidine represented by the formula(6); (d) acid-hydrolyzing the compound of the formula(6) using a halogenated hydrogen catalyst such as HF, HCl and HBr and an acetic acid solvent to prepare 4-(3-pyridine-4-yl-pyrazolo[1,5-1]pyrimidine-6-yl)-phenol represented by the formula(7); and (e) reacting the compound of the formula(7) with chloroethylpiperidine hydrogen chloride represented by the formula(8) in the presence of Cs2CO3 and an alcohol solvent with agitation to prepare 6-[4-(2-piperidine-1-yl-ethoxy)-phenyl]-3-pyridine-4-yl-pyrazolo[1,5-a]pyrimidine.
    • 提供了通过以下方法制备具有高纯度和高产率的6- [4-(2-哌啶-1-基 - 乙氧基) - 苯基] -3-吡啶-4-基 - 吡唑并[1,5-a]嘧啶的方法, 使用能够商业使用的起始材料和反应材料并施加最佳的反应条件。 该方法包括以下步骤:(a)将式(2)表示的吡啶-4-基 - 乙腈氯化氢与N,N-二甲基甲酰胺二甲基缩醛(DMFDMA)在胺碱如三乙胺,吡啶和 哌啶和芳烃溶剂,制备由式(3)表示的3-二甲基氨基-2-吡啶-4-基 - 丙烯腈。 (b)在乙酸催化剂和醇溶剂的存在下使式(3)的化合物与一水合肼反应,制备由式(4)表示的4-吡啶基-2H-吡唑-3-基胺; (c)使式(4)的化合物与式(5)所示的2-(4-甲氧基苯基)丙二醛在乙酸催化剂和醇溶剂的存在下反应,从而制备6-(4-甲氧基 - 苯基) )-3-吡啶-4-基 - 吡唑并[1,5-a]嘧啶; (d)使用卤化氢催化剂如HF,HCl和HBr和乙酸溶剂酸化水解式(6)的化合物以制备4-(3-吡啶-4-基 - 吡唑并[1,5- 1]嘧啶-6-基) - 苯酚。 和(e)在Cs 2 CO 3和醇溶剂存在下,搅拌下使式(7)化合物与式(8)所示的氯乙基哌啶氯化氢反应,得到6- [4-(2-哌啶-1-基 - 乙氧基) - 苯基] -3-吡啶-4-基 - 吡唑并[1,5-a]嘧啶。